Pentax Z-Series Premium ZD 8x43 ED Binocular with Extra-Low Dispersion Lens Green. Pentax designed each pair of these Binoculars with fully multi-coated and protective coated lenses that offer maximum light transmission and clarity combined with premium protection against scratches you may encounter in harsh environments. Speaking of which the Pentax Z-Series ZD 8x43mm ED Center Focus Binocular is built to handle rough climate conditions offering full waterproof and fogproof protection all encased in a magnesium alloy chassis that is remarkably rugged. Aspherical lens elements greatly reduce aberrations while the extra-low dispersion glass provides realistic and vivid views to enhance any adventure. Sight out animals with complete clarity while outlining every detail when equipped with the Pentax Z-Series ZD 8x43 ED Roof Prism Binocular. Specifications for Pentax Z-Series Premium ZD 8x43 ED Binocular: Manufacturer: Pentax Color: Green Magnification: 8 x Objective Lens Diameter: 43 mm Prism System: Roof Prism Material: BAK4 Eye Relief: 22 mm Exit Pupil: 5.4 mm Field of View Linear: 33.5 m at 1000 m Field of View Angle: 6.3 degrees Optical Coating: New Premium level lens Coated Full-color (Flat) Multi-Coated Protective Coated Fully Multi-Coated Binoculars Focus System: Center Focus Twilight Factor: 28.9 Interpupillary Distance: 58 - 74 mm Close Focus: 6.6 ft Diopter Adjustment Range: -3 - 3 dpt Weather Resistance: Yes Water Resistance Level: Waterproof Length: 5.7 in Weight: 25.2 oz Finish: Green Package Type: Box Additional Features: ED Binocular Included Accessories: Neck Strap Eyepiece lens caps Case Magnification Type: Fixed Features of Pentax Z-Series Premium ZD 8x43 ED Binocular New fully multi-coated optics New enhanced light transmission coatings Phase correction Protective lens coating Waterproof nitrogen-fi lled and unique hydrophobic coating Hybrid aspherical lens element ED element (extra-low dispersion glass) Magnesium alloy construction Package Contents: Pentax Z-Series Premium ZD 8x43 ED Binocular Pentax 62701: Z-Series Premium ZD 8x43 ED Binocular with Extra-Low Dispersion Lens Green